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Explore the technical infrastructure and advanced applications of the Digital Object Identifier (DOI) system in this 30-minute conference talk from MRMCD2025. Delve into the mechanics behind DOI creation and discover the costs associated with their production. Learn why all DOIs begin with "10." and examine the software systems that enable massive scale operations while maintaining high availability requirements. Investigate unusual and specialized DOI applications that extend beyond traditional research document identification. Understand how DOIs relate to other identifier systems and gain insights into the technical challenges of maintaining long-term retrievability for published documents. Examine the infrastructure that supports global communication and citation practices in academic and professional publishing environments.
